CVE-2026-53878

A flaw was found in Django. django.core.validators.DomainNameValidator accepted newline characters in domain name input. When applications use this validator outside Django form fields and include the validated value in HTTP response headers, a remote attacker could perform HTTP header injection...

CVE-2026-53878 Header injection possibility since DomainNameValidator accepted newlines in input

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

CVE-2026-53878

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

CVE-2026-53878

CVE-2026-53878 affects Django 6.0 before 6.0.7 and 5.2 before 5.2.16. The issue lies in DomainNameValidator not prohibiting newlines in domain names, which can enable header injection if an application places such values in an HTTP response. Django itself remains unaffected because HttpResponse b...

EUVD-2026-42045

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

CVE-2026-53878 Header injection possibility since DomainNameValidator accepted newlines in input

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

CVE-2026-53878

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

PT-2026-56197

Name of the Vulnerable Software and Affected Versions Django versions prior to 6.0.7 Django versions prior to 5.2.16 Description An issue exists where DomainNameValidator fails to prohibit newlines in domain names. While CharField strips newlines when used via a form field, other implementations...